I'm curious as to why Say Hello! is missing, given that other non-fiction soundtracks are present (e.g. CM Yoko)
It appears this was some kind documentary based on a book, released on DVD in 2006.07.14 (I'm unclear whether it was originally broadcast), according to cdjapan (
http://www.cdjapan.co.jp/product/BVB4-31082). Allmusic has the OST listed as released 2007.04.11
https://www.allmusic.com/album/relea...u-mr0003283491. It's quite a nice OST too; seems a shame to omit it merely on the grounds it's a documentary!
01. Say Hello!
02. Clarity
03. Play Play Play
04. Ticklish Pleasure
05. Yume no Komoriuta
06. Motion In a Minute
07. Sanko
08. Lucy In the Room